一、A.class:沒有staticspa
public class A { public String getText(){ }
B.class調用A的方法時code
public class B { public void test(){ new A().getText(); } }
二、A.class:有static時blog
public class A { public static String getText(){ }
B.class調用A的方法get
public class B { public void test(){ A.getText(); } }